Prompt: Describe a low-poly 3D model of a Buick GNX muscle car. The car should have a wide, aggressive stance, a boxy 1980s silhouette, and a long hood with subtle hood bulge. Include rectangular headlights, a dark grille, flared wheel arches, and thick low-poly tires. The body should be mostly matte black with simple flat shading. Keep the geometry clean and angular, with minimal details but clearly recognizable proportions. The windows should be slightly tinted and simplified. The overall style should feel like a stylized video-game asset, not realistic, optimized for performance and visual clarity.